The Necronomicon: Petrus de Dacia Translation, Petrus de Dacia Translation:

Tome. Relic. Attachment.Attach to a character you control. Shuffle all other copies of The Necronomicon back into their owners' decks.Disrupt: When attached character would become insane, shuffle The Necronomicon into your deck to make each character with lower skill than the attached character also go insane.